For Rueda classes in Tucson AZ, check: http://clubs.asua.arizona.edu/~ritmos/
In Flagstaff Arizona, a couple named Paul and Nadine Geissler teach Rueda. They can be reached at: geissler@LPL.Arizona.edu for their schedule.
Bridgett Maria teaches in Scottsdale. You can find her information at AZSalsa.net.
Shawn Sallee teaches Rueda in Phoenix. His website is: PhoenixSalsa.com and his phone is 480-3435923.